Factor completely. If the polynomial cannot be factored, say it is prime.3x2 - 21x + 30
A. 3(x - 10)(x + 1)
B. 3(x - 2)(x - 5)
C. (x - 2)(3x - 15)
D. prime
Answer: B
Mathematics
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Find the average value of the function f over the given region.f(x, y) = 
over the region bounded by 
, 
, 
, and 
.
A. 
ln 2
B. 60 ln 2
C. 
ln 2
D. ln 2
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 12x(x + 4)
Mathematics
Provide an appropriate response.Show that the derivative of y = 
, x ? 0, is y' = 
by writing 
and then using the chain rule.
What will be an ideal response?
Mathematics
The sides in the pair of figures are proportional. Find the missing length or lengths.
A. x = 1; y = 2 B. x = 1.5; y = 2 C. x = 2; y = 3 D. x = 1; y = 1.5
Mathematics